CN111470705A - System for little algae processing of photovoltaic self-energy supply MBR membrane tail liquid of raising pigs - Google Patents
System for little algae processing of photovoltaic self-energy supply MBR membrane tail liquid of raising pigs Download PDFInfo
- Publication number
- CN111470705A CN111470705A CN202010215536.0A CN202010215536A CN111470705A CN 111470705 A CN111470705 A CN 111470705A CN 202010215536 A CN202010215536 A CN 202010215536A CN 111470705 A CN111470705 A CN 111470705A
- Authority
- CN
- China
- Prior art keywords
- tank
- microalgae
- grid
- mbr membrane
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 44
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 241000195493 Cryptophyta Species 0.000 title claims description 15
- 241000282887 Suidae Species 0.000 title description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000003860 storage Methods 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 27
- 239000004576 sand Substances 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 22
- 238000005273 aeration Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 41
- 230000000694 effects Effects 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 210000003608 fece Anatomy 0.000 description 6
- 239000010871 livestock manure Substances 0.000 description 6
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000029087 digestion Effects 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of wastewater treatment systems, in particular to a system for treating pig raising tail liquid by utilizing photovoltaic self-energy-supply MBR membrane microalgae, which comprises a tail liquid treatment module and a photovoltaic self-energy-supply module, wherein the tail liquid treatment module is formed by sequentially connecting a grid collecting tank, a rotational flow grit chamber, a regulating tank, an anaerobic tank, a methane tank, an aerobic tank, an MBR membrane bioreactor, a sedimentation tank, a reservoir, a disinfection tank and a water storage tank through pipelines, the photovoltaic self-energy-supply module is formed by sequentially connecting a double-glass component photovoltaic panel, a thin light guide plate, a power storage device, an inverter, a distribution box, a light guide plate and an L ED lamp strip through cables, and the power storage device in the photovoltaic self-energy-supply module is connected with the tail liquid treatment module.
Description
Technical Field
The invention relates to the technical field of wastewater treatment systems, in particular to a system for treating pig tail liquid by photovoltaic self-powered MBR membrane microalgae.
Background
At present, the water environment pollution problem in China is increasingly serious, the requirement of controlling the total emission amount of total nitrogen in coastal land level and above cities is met in the new national regulations of ten items of water, and the problems of large discharge amount of aquaculture wastewater and serious pollution of nitrogen and phosphorus are also attracted wide attention.
Currently, most domestic large and medium-sized pig farms are built into anaerobic oxidation ponds, and fermentation separation processes are mature. Anaerobic digestion produces renewable energy (biogas) by fermentation of organic components and can reduce organic matter, waste emissions and odors. However, microorganisms often lack sufficient autotrophic inorganic nitrogen metabolism mechanism, nutrient substances such as ammonia nitrogen and the like are difficult to be obviously reduced in anaerobic fermentation, more bioavailable nitrogen forms such as ammonia nitrogen, total phosphorus and the like can be generated, anaerobic digestion liquid is still sewage with high pollution load, the anaerobic digestion liquid is difficult to reach the standard after being treated by a common method, and a proper method is necessary to be found for advanced treatment. Meanwhile, the distributed power generation technology in China is mature, the area of a pig farm is large, the light demand is small, and the photovoltaic panel is suitable for being paved to realize spontaneous self-use of photovoltaic power generation and net surfing of surplus power.
Disclosure of Invention
In order to overcome the defects of large discharge amount of the existing breeding wastewater and serious pollution of nitrogen and phosphorus, the invention provides a system for treating pig raising tail liquid by using a photovoltaic self-powered MBR membrane microalgae, sewage and pig manure are subjected to solid-liquid separation by a grid collecting tank, the manure can be subjected to methane production in a methane tank, so that the methane can be utilized in the later period, the sewage flows along the system to be subjected to clean treatment, in the process, biological sewage treatment is carried out in an MBR membrane bioreactor, and the residue waste is utilized while the sewage is treated scientifically and effectively; MBR membrane bioreactor through the design use can realize sewage treatment and little algae high-efficient production in step, through little algae's nutrition absorption, filters the separation once more to sewage, realizes daytime sunshine, night self-energy illumination through two glass assembly techniques.
The technical scheme includes that the system for treating the pig raising tail liquid by the aid of the photovoltaic self-energy-supply MBR membrane microalgae comprises a tail liquid treatment module and a photovoltaic self-energy-supply module, the tail liquid treatment module is formed by sequentially connecting a grid collecting tank, a rotational flow grit chamber, a regulating tank, an anaerobic tank, a methane tank, an aerobic tank, an MBR membrane bioreactor, a sedimentation tank, a water storage tank, a disinfection tank and a water storage tank through pipelines, the photovoltaic self-energy-supply module is formed by sequentially connecting a double-glass component photovoltaic panel, a thin light guide plate, an electric storage device, an inverter, a distribution box, a light guide plate and an L ED lamp strip through cables, and the photovoltaic self-energy-supply module and the tail liquid treatment module are mutually connected through cables.
Further, constitute by mud pipeline, collecting pit, thick grid and thin grid including the grid collecting vat, be fixed with thick grid and thin grid from last to down in proper order in the grid collecting vat, the collecting pit is located grid collecting vat bottom one side and is located the thin grid below, mud pipeline passes the grid collecting vat and communicates in proper order and hold the chamber that is separated by thick grid and thin grid, and mud pipeline passes grid collecting vat intercommunication collecting pit, be equipped with the mud suction pump on the mud pipeline, and mud pipeline is connected to in the methane-generating pit.
Further, the system comprises a rotational flow grit chamber, a turbine driving device and a sand discharging system, wherein the inlet end of the grit chamber is connected with an outlet end pipeline of the grid collecting tank, the turbine driving device is provided with a speed regulator, the sand discharging system is provided with a sand discharging pump, the outlet end of the rotational flow grit chamber is connected with an adjusting tank, and a water pump is arranged at the position of the connecting pipeline of the rotational flow grit chamber and the adjusting tank.
Further, the membrane bioreactor comprises an MBR membrane bioreactor, a reactor shell, a water inlet arranged at the lower part of the left side of the reactor shell, an aeration system, a partition board group, a microalgae sedimentation system and a first microalgae filter screen arranged at the water outlet at the upper part of the right side of the reactor shell, wherein the partition board group comprises a left partition board and a right partition board, a gap is reserved between the left partition board and the top of the reactor shell, a gap is reserved between the right partition board and the bottom of the reactor shell, the left partition board and the right partition board are arranged at intervals from left to right to divide the reactor shell into a main reaction area, a microalgae sedimentation area and a water outlet area, the main reaction area is communicated with an aerobic tank, the bottom of the main reaction area is fixed with the aeration system, a biofilm is arranged above the aeration system and is arranged in the main reaction area, the aeration system comprises an aeration pipe and an air blower, the air blower is arranged outside the reactor shell and is connected with the aeration pipe through a pipeline, the biofilm is provided with biofilm filler and the biofilm filler is soft fiber filler and is erected in the main reaction zone through the rotating roller, the microalgae settling system comprises a large support frame, a small support frame, a microalgae settling part, a second microalgae filter screen, a microalgae recovery pipe and a control valve, the large support frame is connected with the reactor shell, the partition plate group and the microalgae settling part, the small support frame is connected with the microalgae settling part and the second microalgae filter screen, the second microalgae filter screen is connected with the microalgae recovery pipe, the microalgae recovery pipe is led out from the lower part of the reactor shell and is provided with the control valve, and the reactor shell of the MBR is made of acrylic material.
Further, the device comprises an adjusting tank, an anaerobic tank, a methane tank and an aerobic tank, wherein stirring devices are arranged in the adjusting tank, the anaerobic tank, the methane tank and the aerobic tank, each stirring device comprises a turbine generator, a stirring rod and a rotating blade, the turbine generator drives the stirring rods and the rotating blades to stir in the adjusting tank, the anaerobic tank, the methane tank and the aerobic tank, each of the anaerobic tank, the methane tank and the aerobic tank is internally provided with an inflatable cleaning device, each inflatable cleaning device comprises an inflatable cleaning pipeline and an air source, the inflatable cleaning pipelines are arranged at the bottom of the tank body and are communicated with the air source, solid-liquid separation devices are respectively arranged in the grid collecting tank and the cyclone sand settling tank, a gas-solid-liquid three-phase separator is arranged in the anaerobic tank, the top of the methane tank is provided with a methane outlet, and the air source inlet, the inflatable cleaning pipelines of the inflatable cleaning device are arranged in multiple layers and are distributed at equal intervals in the vertical direction, and the interval between every two adjacent layers of inflatable cleaning pipelines is 50-60 cm.
Further, the photovoltaic panel comprises a double-glass assembly photovoltaic panel which is composed of upper and lower layers of ultra-white low-iron toughened glass, an ethylene-vinyl acetate copolymer film, a polycrystalline silicon cell and a light guide plate bottom plate
Further, the accumulator is a DC type accumulator and is connected with an inverter for converting into alternating current.
Further, the light guide plate is a nano light guide plate with the thickness of 4 mm.
Furthermore, a flowmeter is arranged on a pipeline connected between the reservoir and the sterilizing box
The system for treating the pig raising tail liquid by the photovoltaic self-energy-supply MBR membrane microalgae has the beneficial effects that the sewage and the pig manure are subjected to solid-liquid separation through the grid collecting tank, the manure can be subjected to methane production in the methane tank, so that the methane can be utilized in the later period, the sewage flows along the system to be subjected to clean treatment, and in the process, the MBR membrane bioreactor is used for carrying out biochemical sewage treatment, so that the sewage is treated scientifically and effectively, and simultaneously, the residue waste is utilized; the MBR membrane bioreactor can synchronously realize sewage treatment and high-efficiency production of microalgae, provides a new way for sewage treatment, can be used for cultivating microalgae to be used as independent economic benefit, and can filter and separate sewage again through the nutrition absorption effect of the microalgae to achieve the effects of saving water resources, reducing pollution and protecting environment; realize day sunshine, night self-energy supply illumination through dual glass assembly technique, the system operates 24 hours, makes the unit interval waste water output volume reduce, and little algae reaction time is longer, realizes the improvement of sewage treatment effect and little algae productivity, and the photovoltaic board is spontaneous self-service, surplus electricity is on the net, makes the pollution load of pig farm exhaust sewage reduce at to a great extent, and the operation effect is more stable, and it is good to go out water quality of water.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the grid collection trough of FIG. 1;
FIG. 3 is a schematic structural view of the cyclone grit chamber of FIG. 1;
FIG. 4 is a schematic view of the aeration system of FIG. 1;
FIG. 5 is a schematic diagram of the mechanism of the microalgae settling system of FIG. 1;
FIG. 6 is a schematic structural view of the biofilm of FIG. 1;
fig. 7 is a schematic structural diagram of a photovoltaic self-powered module.
In the figure, 1, a grid collecting tank, 2, a cyclone sand settling tank, 3, a regulating tank, 4, an anaerobic tank, 5, a methane tank, 6, an aerobic tank, 7, an MBR (membrane bioreactor), 8, a settling tank, 9, a reservoir, 10, a disinfection tank, 11, a water storage tank, 12, a dual-glass component photovoltaic panel, 13, a thin light guide plate, 14, an electrical storage device, 15, an inverter, 16, a distribution box, 17, a light guide plate, 18, L ED (light emitting diode) light bar, 19, a flowmeter, 111, a sludge pipeline, 112, a collecting tank, 113, a coarse grid, 114, a fine grid, 115, a sludge water pump, 21, a sand settling zone, 22, a sand hopper, 23, a turbine driving device, 24, a sand discharge system, 25, a water pump, 71, a reactor shell, 72, a system, 73, a partition plate group, 74, a microalgae settling system, 75, a first microalgae filter screen, 76, a main reaction zone, 77, a microalgae settling zone, a 722, a water outlet zone, 79, a biological membrane, a rotating rolling barrel, a rotating roller frame, a 721, a micro algae aeration roller frame, a micro algae settling pipe, a micro algae settling zone, a micro algae settling control frame, a micro algae recovery support frame.
Detailed Description
Referring to fig. 1, which is a schematic structural diagram of the present invention, a system for treating pig raising tail liquid by using a photovoltaic self-powered MBR membrane microalgae comprises a tail liquid treatment module and a photovoltaic self-powered module, wherein the tail liquid treatment module is formed by sequentially connecting a grid collecting tank 1, a cyclone grit chamber 2, a regulating tank 3, an anaerobic tank 4, a methane tank 5, an aerobic tank 6, an MBR membrane bioreactor 7, a sedimentation tank 8, a reservoir 9, a disinfection tank 10 and a water storage tank 11 through pipelines, the photovoltaic self-powered module is formed by sequentially connecting a dual-glass component photovoltaic panel 12, a thin light guide panel 13, a power storage device 14, an inverter 15, a distribution box 16, a light guide panel 17 and a L light bar 18 through cables, the photovoltaic self-powered module and the tail liquid treatment module are mutually connected through cables, a sludge pipeline 111 is connected to the grid collecting tank 1, the grid collecting tank 1 is connected to the cyclone grit chamber 2, the cyclone grit chamber 2 is connected to the regulating tank 3, the regulating tank 3 is connected to the anaerobic tank 4, the anaerobic tank 4 is connected to the methane tank 5, the MBR tank 5 is connected to the aerobic tank 6, the MBR tank 6 is connected to the aerobic tank 7, the aerobic tank 7 is connected to the epoxy membrane bioreactor 8, the sludge sedimentation tank 10 is connected to the inner wall of the sludge tank, and the sludge tank can reduce the inner wall of the aerobic tank, and the sludge flow and the sludge accumulation of the anaerobic tank can reduce the sludge accumulation of the aerobic tank.
Referring to fig. 1 and 2, the grid collecting tank 1 is composed of a sludge pipeline 111, a collecting tank 112, a coarse grid 113 and a fine grid 114, the coarse grid 113 and the fine grid 114 are sequentially fixed in the grid collecting tank 1 from top to bottom, the collecting tank 112 is located on one side of the bottom of the grid collecting tank 1 and below the fine grid 114, the sludge pipeline 111 penetrates through the grid collecting tank 1 and is sequentially communicated with a containing cavity separated by the coarse grid 113 and the fine grid 114, the sludge pipeline 11 penetrates through the grid collecting tank 1 and is communicated with the collecting tank 112, a sludge suction pump 115 is arranged on the sludge pipeline, and the sludge pipeline is connected to the methane tank 5.
Referring to fig. 1 and 3, the rotational flow grit chamber 2 is composed of a grit zone 21, a sand hopper 22, a turbine driving device 23 and a sand discharge system 24, wherein an inlet end of the grit zone 21 is connected with an outlet end pipeline of the grid collecting tank 1, the turbine driving device 23 is provided with a speed regulator, the sand discharge system 24 is provided with a sand discharge pump, an outlet end of the rotational flow grit chamber 2 is connected with the adjusting tank 3, and a water pump 25 is arranged at a connecting pipeline of the two.
Referring to fig. 4 to 6, the MBR membrane bioreactor 7 comprises a reactor shell 71, a water inlet arranged at the lower part of the left side of the reactor shell 71, an aeration system 72, a partition plate set 73, a microalgae settling system 74 and a first microalgae filter 75 arranged at the water outlet arranged at the upper part of the right side of the reactor shell 71, wherein the partition plate set 73 comprises a left partition plate 731 and a right partition plate 732, the left partition plate 731 and the top of the reactor shell 71 form a gap, the right partition plate 732 and the bottom of the reactor shell 71 form a gap, the left partition plate 731 and the right partition plate 732 are arranged in a manner of separating from left to right to divide the reactor shell 71 into a main reaction zone 76, a microalgae settling zone 77 and a water outlet zone 78, the main reaction zone 76 is communicated with the aerobic tank 6, the aeration system 72 is fixed at the bottom, a biofilm 79 is arranged in the main reaction zone 76 above the aeration system 72, the aeration system 72 comprises an aeration pipe 721 and a blower, the air blower 722 is arranged outside the reactor shell 71 and is connected with the aeration pipe 721 through a pipeline, the upper and lower sides of the upper part of the biological membrane 79 are provided with rolling brushes 710, the biological membrane 79 is connected and rotated through a rotating roller frame 711, the biological membrane 79 is provided with biological membrane fillers 712 which are soft fiber fillers and are arranged in the main reaction zone 76 through the rotating roller frame 711, the microalgae settling system 74 comprises a large support frame 741, a small support frame 742, a microalgae settling part 743, a second microalgae filter screen 744, a microalgae recovery pipe 745 and a control valve 746, the large support frame 741 is connected with the reactor shell 71, the baffle group 73 and the microalgae settling part 743, the small support frame 742 is connected with the microalgae settling part 743 and the second microalgae filter screen 744, the second microalgae filter screen 744 is connected with the microalgae recovery pipe 745, and the microalgae recovery pipe 745 is led out from the lower part of the reactor shell 71, and a control valve 746 is arranged on the membrane bioreactor, and the reactor shell 71 of the MBR membrane bioreactor 7 is made of acrylic material.
As shown in fig. 1, stirring devices are arranged in the adjusting tank 3, the anaerobic tank 4, the methane tank 5 and the aerobic tank 6, the stirring devices include turbine generators, stirring rods and rotating blades, the turbine generators drive the stirring rods and the rotating blades to stir in the adjusting tank 3, the anaerobic tank 4, the methane tank 5 and the aerobic tank 6, inflation cleaning devices are arranged in the anaerobic tank 4, the methane tank 5 and the aerobic tank 6, each inflation cleaning device includes an inflation cleaning pipeline and an air source, the inflation cleaning pipelines are arranged at the bottom of the tank body and are communicated with the air source, solid-liquid separation devices are arranged in the grid collecting tank 1 and the cyclone sand settling tank 2, a gas-solid-liquid three-phase separator is arranged in the anaerobic tank 4, a methane outlet is arranged at the top of the methane tank, and the air source inlet is connected with the gas outlet end of the gas-solid-liquid three-phase separator in the anaerobic tank after separation, the inflatable cleaning pipelines of the inflatable cleaning device are arranged in multiple layers and are distributed at equal intervals in the vertical direction, and the interval between every two adjacent layers of inflatable cleaning pipelines is 50-60 cm.
Referring to fig. 1 and 7, the dual glass assembly photovoltaic panel 12 is composed of upper and lower layers of ultra-white low-iron tempered glass, an ethylene-vinyl acetate copolymer film, a polysilicon cell and a light guide plate bottom plate.
As shown in fig. 1 and 7, the accumulator 14 is a dc type battery and is connected to an inverter for converting into ac power.
Referring to fig. 1 and 7, the light guide plate 17 is a nano light guide plate having a thickness of 4 mm.
As shown in fig. 1, a flow meter 19 is provided on a pipe connected between the water reservoir 9 and the sterilizing compartment 10.
Specific example 1: sewage passes through the sewage conduit and discharges to in grid collecting vat 1, grid collecting vat 1 includes sludge conduit 111, collecting pit 112, thick grid 113 and thin grid 114, the top fixed mounting of grid collecting vat 1 is thick grid 113 and thin grid 114, thick grid 113 and thin grid 114 are 50 meshes and 100 mesh stainless steel wire netting respectively, collecting pit 112 is installed to grid collecting vat 1 bottom, be provided with the baffle in the collecting pit 112, the solid in the sewage can't be through thick grid 113 and thin grid 114, finally by in collecting pit 112 solid pile up the district through mud suction pump 115 and mud pipeline 111 pumped to methane-generating pit 5, carry out the marsh gas utilization, sewage then sends into the one end of keeping away from grid collecting vat 1 through the lift pump and the pipeline that collecting pit 112's collecting area water outlet end set up and connects whirl grit chamber 2.
Specific example 2: sewage discharged from an outlet pipeline of the grid collecting tank 1 in the rotary grit chamber 2 flows into a grit zone 21, solid-liquid separation is further performed on the sewage through a water falling weir arranged in a water inlet channel, a solid part slides downwards into the grit chamber, a speed-adjustable paddle board is arranged in the middle of the grit chamber to enable water flow in the chamber to keep circular flow, sand grains flow spirally through rotating turbine blades to promote separation of organic matters and the sand grains, the sand grains with high relative density are thrown to the chamber wall and sink into a sand hopper 22 under the action of gravity to be collected, light organic matters enter an inlet pipeline of an adjusting chamber 3 along with outlet water, and a baffle is further arranged in the chamber to enable the water flow and the sand to flow to the bottom of the chamber when entering the grit chamber and enhance the wall attachment effect.
Specific example 3: the hydrolytic anaerobic microorganisms are utilized in the anaerobic tank 4, macromolecular organic matters which are difficult to degrade in water are decomposed into micromolecular organic matters by destroying chemical chains, so that the biodegradability of waste water is improved, the working environment of suitable methane production such as anaerobism and temperature is further provided for the feeding of the methane tank 5, and one end pipeline which is far away from the anaerobic tank 4 is connected with the inlet pipeline of the methane tank 5.
Specific example 4: the MBR membrane bioreactor 7 has a main reaction area communicated with the water inlet and an aeration pipe 721 arranged at the bottom connected with an external blower 722, and has the effect of stirring in the main reaction area 76 and provides proper CO2 for the chlorella; a biofilm filler 712 is additionally arranged on the biofilm 79 through a rotating roller frame 711, the chlorella adsorbs elements such as nitrogen, phosphorus and the like in the sewage to grow and reproduce on the filler, meanwhile, the sewage is purified, the grown chlorella cells are brought into a microalgae settling area 77 by using a rolling brush 710, the chlorella is sent into a microalgae recovery pipe 745 to be utilized after passing through a second microalgae filter screen 744, and the purified reclaimed water enters a water outlet area 78; the reclaimed water flows out from the water outlet at the upper part of the reactor shell 71 through the first microalgae filter screen 75, so that the outflow water is ensured to contain no chlorella.
Specific example 5: and (4) a sedimentation tank 8: the sewage enters a sedimentation tank 8 after being filtered by an upper-stage MBR (membrane bioreactor) 7. And settling impurities in the pool, and allowing supernatant to enter a filtering procedure to filter the tiny impurities, wherein the color and the water quality after filtering basically meet the requirements. The water outlet end of the sedimentation tank 8 is connected with the water inlet end of the water storage tank 9. The water outlet section of the reservoir 9 is provided with a water pumping pipe and a flowmeter 19 which can record water flow and is connected with the water inlet of the sterilizing box 10. The sterilizing box 10: the liquid in the reservoir 9 enters the disinfection box 10 for ultraviolet disinfection through a suction pump. The water storage tank 11: storing the filtered and disinfected water with the color and the water quality reaching the standard in the water storage tank 11.
When the device is used, sewage is discharged into the grid collecting tank 1 through a sewage pipeline, a solid part is sent into the methane tank 5 for methane utilization through solid-liquid secondary separation, suspended matters and liquid sequentially pass through the subsequently arranged cyclone grit chamber 2, the adjusting tank 3 and the anaerobic tank 4 for re-separation, the screened solid part enters the methane tank 5, and a liquid part sequentially passes through the aerobic tank 6, the MBR (membrane bioreactor) 7, the sedimentation tank 8, the water storage tank 9, the disinfection tank 10 and the water storage tank 11, so that the effects of utilizing organic matters to cultivate algae, filter sewage and clean water resources are achieved. According to the pig farm sewage treatment system, solid-liquid separation is carried out on sewage and pig manure through the grid collecting tank, the manure can be subjected to methane production in the methane tank, so that methane can be utilized in the later period, the sewage flows along the system to be subjected to clean treatment, and in the process, biological sewage treatment is carried out in the MBR membrane bioreactor, so that the sewage is scientifically and effectively treated, and simultaneously, residue and waste are utilized; the MBR membrane bioreactor can synchronously realize sewage treatment and high-efficiency production of microalgae, provides a new way for sewage treatment, can be used for cultivating microalgae to be used as independent economic benefit, and can filter and separate sewage again through the nutrition absorption effect of the microalgae to achieve the effects of saving water resources, reducing pollution and protecting environment; realize day sunshine, night self-power illumination through dual glass assembly technique, system 24 hours function, make the unit interval waste water output volume reduce, little algae reaction time is longer, realizes the improvement of sewage treatment effect and little algae productivity effect, photovoltaic board is spontaneous self-service, surplus electricity is on the net. Water pollution control benefits: the invention can reduce the pollution load of the sewage discharged by the pig farm to a great extent, and has stable operation effect and good effluent quality.
The specific example 6 is that after the sewage is predicted to be treated by the system, the sewage can finally reach 65% of CODcr removal rate, 60% of BOD5 removal rate and 60% of SS removal rate, and the sewage reaches the effluent water quality standard, so that the local ecological environment is effectively improved, the water environment quality of a regional basin is improved, the biogas benefit is that the treated water amount is 150m3/d, the biogas generated by a biogas pool per day is about 300m3, the biogas, biogas residues and biogas slurry can be fully utilized, the biogas heat value is 20935kJ/m3, the biogas value is 0.423 yuan/m 3 according to data statistics, the annual biogas benefit is about 300 x 365 x 0.423=4.63 ten thousand yuan, the annual treated water amount is 127750m3, the annual chlorella yield of which the inoculation density is 2.0 x 106cells TP/m L can be realized in the same reactor, and the annual chlorella yield is 11.7 tons, and the pollutants such as NH4+ -N, TN and the like are reduced in different degrees.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a little system of algae processing pig raising tail liquid of photovoltaic self-power MBR membrane, characterized by, including tail liquid processing module and photovoltaic self-power module, tail liquid processing module is connected gradually through the pipeline by grid collecting vat (1), whirl grit chamber (2), equalizing basin (3), anaerobism pond (4), methane-generating pit (5), good oxygen pond (6), MBR membrane bioreactor (7), sedimentation tank (8), cistern (9), disinfect box (10) and tank (11), photovoltaic self-power module is connected gradually through the cable by dual glass assembly photovoltaic board (12), thin light guide plate (13), electrical storage ware (14), dc-to-ac converter (15), block terminal (16), light guide plate (17) and L ED (18), photovoltaic self-power module and tail liquid processing module pass through cable interconnect.
2. The system for treating the pig tail liquid by the aid of the photovoltaic self-powered MBR membrane microalgae according to claim 1, characterized in that the grid collecting tank (1) is composed of a sludge pipeline (111), a collecting tank (112), a coarse grid (113) and a fine grid (114), the coarse grid (113) and the fine grid (114) are sequentially fixed in the grid collecting tank (1) from top to bottom, the collecting tank (112) is located on one side of the bottom of the grid collecting tank (1) and below the fine grid (114), the sludge pipeline (111) penetrates through the grid collecting tank (1) and sequentially communicates with a containing cavity separated by the coarse grid (113) and the fine grid (114), the sludge pipeline (11) penetrates through the grid collecting tank (1) and communicates with the collecting tank (112), a sludge suction pump (115) is arranged on the sludge pipeline, and the sludge pipeline is connected to a methane tank (5).
3. The system for treating the pig tail fluid by the aid of the photovoltaic self-powered MBR membrane microalgae according to claim 1, characterized in that the cyclone grit chamber (2) is composed of a grit area (21), a sand hopper (22), a turbine driving device (23) and a sand discharging system (24), wherein an inlet end of the grit area (21) is connected with an outlet end pipeline of the grid collecting tank (1), the turbine driving device (23) is provided with a speed regulator, the sand discharging system (24) is provided with a sand discharging pump, an outlet end of the cyclone grit chamber (2) is connected with the regulating tank (3), and a water pump (25) is arranged at a position of a connecting pipeline of the two.
4. The system for treating the pig tail fluid by the aid of the photovoltaic self-powered MBR membrane microalgae according to claim 1, wherein the MBR membrane bioreactor (7) is composed of a reactor shell (71), a water inlet arranged at the lower part of the left side of the reactor shell (71), an aeration system (72), a partition plate group (73), a microalgae settling system (74) and a first microalgae filter screen (75) arranged at a water outlet at the upper part of the right side of the reactor shell (71), the partition plate group (73) comprises a left partition plate (731) and a right partition plate (732), the left partition plate (731) is spaced from the top of the reactor shell (71), the right partition plate (732) is spaced from the bottom of the reactor shell (71), and the left partition plate (731) and the right partition plate (732) are arranged from left to right to divide the reactor shell (71) into a main reaction zone (76), a microalgae settling zone (77) and a microalgae water outlet zone (78), the main reaction zone (76) is communicated with the aerobic tank (6), an aeration system (72) is fixed at the bottom of the main reaction zone, a biological film (79) is arranged in the main reaction zone (76) above the aeration system (72), the aeration system (72) comprises an aeration pipe (721) and an air blower (722), the air blower (722) is arranged outside the reactor shell (71) and connected with the aeration pipe (721) through a pipeline, rolling brushes (710) are arranged on the upper side and the lower side of the upper part of the biological film (79), the biological film (79) is connected and rotated through a rotating roller frame (711), a biological film filler (712) is arranged on the biological film (79), the biological film filler (712) is a soft fiber filler and is arranged in the main reaction zone (76) through the rotating roller frame (711), and the microalgae settling system (74) comprises a large support frame (741), a small support frame (742), a microalgae settling part (743), The device comprises a second microalgae filter screen (744), a microalgae recovery pipe (745) and a control valve (746), wherein the large support frame (741) is connected with the reactor shell (71), a partition plate group (73) and a microalgae settling part (743), the small support frame (742) is connected with the microalgae settling part (743) and the second microalgae filter screen (744), the second microalgae filter screen (744) is connected with the microalgae recovery pipe (745), the microalgae recovery pipe (745) is led out from the lower part of the reactor shell (71) and is provided with the control valve (746), and the reactor shell (71) of the MBR (7) is made of acrylic material.
5. The system for treating the pig tail liquid by the photovoltaic self-powered MBR membrane microalgae according to claim 1, which is characterized in that stirring devices are arranged in the regulating tank (3), the anaerobic tank (4), the methane tank (5) and the aerobic tank (6), the stirring devices comprise a turbine generator, a stirring rod and a rotating blade, the turbine generator drives the stirring rod and the rotating blade to stir in the regulating tank (3), the anaerobic tank (4), the methane tank (5) and the aerobic tank (6), inflation cleaning devices are arranged in the anaerobic tank (4), the methane tank (5) and the aerobic tank (6), the inflation cleaning devices comprise an inflation cleaning pipeline and a gas source, the inflation cleaning pipeline is arranged at the bottom of the tank body and is communicated with the gas source, solid-liquid separation devices are arranged in the grid collecting tank (1) and the cyclone sand basin (2), the methane tank is characterized in that a gas-solid-liquid three-phase separator is arranged in the anaerobic tank (4), a methane outlet is formed in the top of the methane tank, a gas source inlet is connected with a gas outlet end of the anaerobic tank after the gas-solid-liquid three-phase separator separates, the inflatable cleaning pipelines of the inflatable cleaning device are arranged in multiple layers and are distributed at equal intervals in the vertical direction, and the interval between every two adjacent layers of inflatable cleaning pipelines is 50-60 cm.
6. The system for treating the pig tail fluid by the photovoltaic self-powered MBR membrane microalgae as claimed in claim 1, wherein the double-glass assembly photovoltaic panel (12) is composed of an upper layer of ultra-white low-iron tempered glass, a lower layer of ethylene-vinyl acetate copolymer membrane, a polysilicon cell sheet and a light guide plate bottom plate.
7. The system for treating the pig tail fluid by the photovoltaic self-powered MBR membrane microalgae as claimed in claim 1, wherein the electrical storage device (14) is a DC type storage battery and is connected with an inverter for converting into AC.
8. The system for treating the pig tail fluid by the photovoltaic self-powered MBR membrane microalgae as claimed in claim 1, wherein the light guide plate (17) is a 4mm thick nanometer light guide plate.
9. The system for treating the pig tail fluid by the photovoltaic self-powered MBR membrane microalgae as claimed in claim 1, wherein a flow meter (19) is arranged on a pipeline connected between the water storage tank (9) and the disinfection tank (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010215536.0A CN111470705A (en) | 2020-03-25 | 2020-03-25 | System for little algae processing of photovoltaic self-energy supply MBR membrane tail liquid of raising pigs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010215536.0A CN111470705A (en) | 2020-03-25 | 2020-03-25 | System for little algae processing of photovoltaic self-energy supply MBR membrane tail liquid of raising pigs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111470705A true CN111470705A (en) | 2020-07-31 |
Family
ID=71747946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010215536.0A Pending CN111470705A (en) | 2020-03-25 | 2020-03-25 | System for little algae processing of photovoltaic self-energy supply MBR membrane tail liquid of raising pigs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111470705A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777746A (en) * | 2020-12-30 | 2021-05-11 | 南京万德斯环保科技股份有限公司 | Microalgae sludge MABR (moving aerated biofilm reactor), self-polymerization microalgae sludge MABR and microalgae sludge green sewage treatment system |
| CN113150951A (en) * | 2021-05-13 | 2021-07-23 | 云南爱尔发生物技术股份有限公司 | Method for cultivating microalgae in photovoltaic greenhouse |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709262A (en) * | 2009-12-10 | 2010-05-19 | 中国科学院广州能源研究所 | Solar spectral photosynthetic bioreactor system for culturing microalgae in high density |
| JP2015521042A (en) * | 2012-05-17 | 2015-07-27 | エス． レッドフォード，ダニエル | Aquatic-based microalgae production equipment |
| CN204508919U (en) * | 2015-02-03 | 2015-07-29 | 浙江金鸣环境科技有限公司 | Driven by Solar Energy and MBR film water treatment system |
| CN106064853A (en) * | 2016-07-07 | 2016-11-02 | 浙江海洋大学 | Synchronize to realize microalgae Immobilized culture and the bioreactor of sewage disposal and method |
| CN108467161A (en) * | 2018-05-25 | 2018-08-31 | 中节能工程技术研究院有限公司 | A kind of deep treatment method of landfill leachate tail water |
| CN209098449U (en) * | 2018-10-12 | 2019-07-12 | 广州能淼环保科技有限公司 | A kind of MBR integration Pig farm wastewater processing unit |
-
2020
- 2020-03-25 CN CN202010215536.0A patent/CN111470705A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709262A (en) * | 2009-12-10 | 2010-05-19 | 中国科学院广州能源研究所 | Solar spectral photosynthetic bioreactor system for culturing microalgae in high density |
| JP2015521042A (en) * | 2012-05-17 | 2015-07-27 | エス． レッドフォード，ダニエル | Aquatic-based microalgae production equipment |
| CN204508919U (en) * | 2015-02-03 | 2015-07-29 | 浙江金鸣环境科技有限公司 | Driven by Solar Energy and MBR film water treatment system |
| CN106064853A (en) * | 2016-07-07 | 2016-11-02 | 浙江海洋大学 | Synchronize to realize microalgae Immobilized culture and the bioreactor of sewage disposal and method |
| CN108467161A (en) * | 2018-05-25 | 2018-08-31 | 中节能工程技术研究院有限公司 | A kind of deep treatment method of landfill leachate tail water |
| CN209098449U (en) * | 2018-10-12 | 2019-07-12 | 广州能淼环保科技有限公司 | A kind of MBR integration Pig farm wastewater processing unit |
Non-Patent Citations (1)
| Title |
|---|
| 周霞: "《水污染控制技术》", 30 April 2014, 广东高等教育出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777746A (en) * | 2020-12-30 | 2021-05-11 | 南京万德斯环保科技股份有限公司 | Microalgae sludge MABR (moving aerated biofilm reactor), self-polymerization microalgae sludge MABR and microalgae sludge green sewage treatment system |
| WO2022142552A1 (en) * | 2020-12-30 | 2022-07-07 | 南京万德斯环保科技股份有限公司 | Microalgae-sludge mabr reactor, self-light condensing microalgae-sludge mabr reactor, and microalgae-sludge eco-friendly wastewater treatment system |
| CN113150951A (en) * | 2021-05-13 | 2021-07-23 | 云南爱尔发生物技术股份有限公司 | Method for cultivating microalgae in photovoltaic greenhouse |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204125300U (en) | A kind of purification tank for the treatment of dispersion type domestic wastewater | |
| CN201268652Y (en) | Integral sewage treating device | |
| CN102145968A (en) | Rural domestic sewage treatment process | |
| CN213112940U (en) | Domestic sewage treatment system | |
| CN111470705A (en) | System for little algae processing of photovoltaic self-energy supply MBR membrane tail liquid of raising pigs | |
| CN100486681C (en) | Outer installation type gas lift circulation membrane splitter | |
| CN109912129A (en) | A kind of wind, light complementation rural sewage treatment system | |
| CN111253019A (en) | MABR (moving average biofilm reactor) rural sewage ecological treatment method | |
| CN109319926A (en) | A kind of domestic sewage processing system | |
| CN113880354B (en) | Process for sewage treatment under high altitude condition | |
| CN2506633Y (en) | Combined high-efficient biological septic tank | |
| CN205170492U (en) | Domestic sewage purification system of unpowered aeration | |
| CN115028267A (en) | Waste water recycling device | |
| CN212532667U (en) | Breeding wastewater treatment and biogas recycling device | |
| CN211999376U (en) | Rural sewage ecological management device system of MABR | |
| CN210796140U (en) | Domestic sewage treatment device | |
| CN210559962U (en) | Rural domestic sewage's processing system | |
| CN114249506A (en) | Miniature light kinetic energy rural domestic sewage purifies integrated device | |
| CN209493375U (en) | A kind of domestic sewage processing system | |
| CN209493463U (en) | A kind of four grid septic tanks | |
| CN210528571U (en) | Biological contact oxidation process equipment using nano aeration technology | |
| CN206955755U (en) | Three rank O/A decentralized type sewages handle integrated apparatus | |
| CN105174456A (en) | Domestic sewage purification system capable of realizing unpowered aeration | |
| CN109320038A (en) | A kind of four grid septic tanks | |
| CN218620476U (en) | Sewage purification treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200731 |